Solving for y
Shading and Lines
Vocabulary
Factors
Lines
100
Solve for y.
-2x+y=1
y=2x+1
100
Would this line be shaded on top/bottom?
Would this line be bold or dotted?
y>4x-7
Top and dotted
100
What is the domain of a function mean?
All the possible x-values of a graph
100
What are the factors of x2-2x-8
(x+2)(x-4)
100
What is the domain?
All real numbers
200
Solve for y.
3x+4y=8
y=-3/4x+2
200
Would this line be shaded on top/bottom?
Would this line be bold or dotted?
y<4x-7
Bottom and dotted
200
What is the range of a function?
All the possible y-values of a function
200
What are the factors of x2-49?
(x+7)(x-7)
200
What is the slope of a line in the form x= ?
Undefined
300
Solve for y.
-7x-2y=18
y=-7/2x-9
300
Would this line be shaded on top/bottom?
Would this line be bold or dotted?
y>=-6x+9
top and bold
300
What does a function mean?
The x's cannot repeat
300
What are the factors of this polynomials?
x2+8x+12
(x+6)(x+2)
300
What is the domain of this?
All real numbers
400
Solve for y.
3x+y=12
y=-3x+12
400
Would this line be shaded on top/bottom?
Would this line be bold or dotted?
y<=-8x+8
bottom and bold
400
What is a system of equations?
Two equations with two variables
400
What are the factors of 5x2+36x+36
(5x+6)(x+6)
400
On your board, create an x-y table that is NOT a function.
Answers may vary.
500
Solve for y.
3x-5y=12
y=3/5x-12/5
500
How would I be able to graph this inequality on the graphing page?
y>-2x-8
Replace the inequality symbol with an = sign and you take care of the shading.
500
What is the zeros of a function mean?
The x-intercepts of a graph
500
What is the degree of a quadratic function?
2
500
This is the point where the graph crosses the y-axis.
y-intercept